<div class="panel-body">
  <div class="form-group no-marginb">
    <%= label_tag Spree.t('user_rule.choose_users') %>
    <input type='hidden' name='<%= param_prefix %>[user_ids_string]' class='user_picker' value='<%= promotion_rule.user_ids.join(",") %>'>
  </div>
</div>
